| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] a [noun] [prep] | 1877 |
|
| 2 | [be] [vb pp] at [noun] [prep] | 1116 |
|
| 3 | [be] [vb pp] at a [noun] | 831 |
|
| 4 | [vb pp] at a [noun] [prep] | 622 |
|
| 5 | [be] at a [noun] [prep] | 165 |
|
